Finding the Fourth Proportional to 7,187,670,696.99, 10,781,725,689.67 and 2,465,926,381.47
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Solution
The fourth proportional to 7,187,670,696.99, 10,781,725,689.67 and 2,465,926,381.47 is: 3,698,964,927.13
Step by Step Solution
- Step 1: Write the proportion equation
7,187,670,696.99 : 10,781,725,689.67 = 2,465,926,381.47 : x - Step 2: Convert to fraction form
7,187,670,696.99/10,781,725,689.67 = 2,465,926,381.47/x - Step 3: Cross multiply
7,187,670,696.99x = 10,781,725,689.67 × 2,465,926,381.47 - Step 4: Simplify right side
7,187,670,696.99x = 26,586,941,815,881,711,616 - Step 5: Solve for x
x = 26,586,941,815,881,711,616/7,187,670,696.99 - Step 6: Final answer
x = 3,698,964,927.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.